/Engine/Source/Runtime/UMG/Public/Components/ListView.h
virtual void OnItemsChanged ( const [TArray](API\Runtime\Core\Containers\TArray)< [UObject](API\Runtime\CoreUObject\UObject\UObject) * > & AddedItems, const [TArray](API\Runtime\Core\Containers\TArray)< [UObject](API\Runtime\CoreUObject\UObject\UObject) * > & RemovedItems )